Perhaps you should try some spelling variations:
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
contents lead » contents head, contents less, contents local
developing 11 » developing _, developing a, developing e
3 developing » 3 development
11 africa » 11 african, 1 africa, 1.1 african
costs 3 » costs _, costs 4, costs a

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien als information contents lead oral communication costs 3 developing 11 africa.*.